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Table 2 Overall efficiency of construction designs in terms of VRS and CRS

From: Comparative analysis of technical efficiency of catfish farms using different technologies in Lagos State, Nigeria: a Data Envelopment Analysis (DEA) approach

TSCORES Earthen pond (EP) Cage culture (CC) Plastic tank (PT)
VRS CRS VRS CRS VRS CRS
F % F % F % F % F % F %
0.6001–0.7000 3 6.98 19 44.19 2 6.06 11 33.33 0 0 23 62.16
0.7001–0.8000 6 13.95 14 32.56 5 15.15 9 27.27 2 5.41 8 21.62
0.8001–0.9000 5 11.63 8 18.60 3 9.09 2 6.06 6 16.22 5 13.51
0.9001–0.9999 2 4.65 1 2.33 0 0 10 30.30 5 13.51 1 2.70
1 27 62.79 1 2.33 22 66.67 1 3.03 24 64.86 0 0
Total 43 100 43 100 33 100 33 100 37 100 37 100
Mean 0.93 0.73 0.93 0.79 0.96 0.69
Median 1 0.71 1 0.74 1 0.65
Mode 1 0.65 1 0.65 1 0.65
Minimum Val 0.66 0.65 0.69 0.65 0.79 0.65
Maximum Val 1 1 1 0.90 1 0.91
SD 0.12 0.90 0.12 1 0.68 0.74
  1. Source: Computed from survey data